DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 2ND Award a ₱31.1M contract to AREX BUILDERS & CONSTRUCTION SUPPLYNational agencies
Transaction hash:
24be4e9d13fa883fa39af4d988f41eefa4a0ed77b8d75782ea4c05b360dd1474
Status:
Included and unchanged
Block:
#3,073 2,940 blocks after it
Position in block:
Transaction 20 of 154
Award day:
May 11, 2017 (9 yrs 6 mo ago)
Value:
₱31,088,827.81
Project:
17II0044 Pambujan HS
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,073 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 2ND awarded it to AREX BUILDERS & CONSTRUCTION SUPPLY on 2017-05-11.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 24be4e9d13…dd1474now …
- 2. Block Merkle root changedstored 5550a00f9e…082ba3now …
- 3. Block #3073 hash changedstored df4e259d10…c227b5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 153 records. Each step hashes the current value together with the sibling shown.
- leaf 24be4e9d13fa883fa39af4d988f41eefa4a0ed77b8d75782ea4c05b360dd1474
- 01 R 258a213358e742998f75c7874fa07045aee77d57551a915146e68bc48ca8c240
- 02 R de5b55690cab5c93c9a57f465fd580394f0322eb4d6415da5ea7d8fd517f8d59
- 03 L 0395b8cae10d65672bd53146a6dac5d42e983fb2a8e98d90ede5f1f5ff03618d
- 04 R 0d1f73d9792bed3dec7b1e129e70d2746cbe8e0631d2f868f19fd58314c74967
- 05 L 2b288ab7e94b14e098030c6f44b88e0434d986ff379260518e83c78d79b0a10e
- 06 R a81e385ee7bb7cfa3cfae4929f229c7608052a5e82f119df937b7efafcca5056
- 07 R 093041dbfa44dfc6d0c33ef8c01b9c414a1e3ee9a27bb7675947681e8c234587
- 08 R ca621076d507047ae27d20370f2e339631129ccda81f11239351cc1db6690954
- root 5550a00f9e6a66e26c30c71b291f4c7331eb98f702370c61ec1fa69ae1082ba3